GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mole of copper (Cu) is equal to how many atoms?
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8.03 x 1023 atoms
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6.02 x 1023 atoms
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4.51 x 1023 atoms
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3.11 x 1023 atoms
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Explanation:
Detailed explanation-1: -The relation between molecular (formula) mass and molar mass Page 4 4 • To obtain one mole of copper atoms (6.02 x 1023 atoms), weigh out 63.55 g copper.
Detailed explanation-2: -A mole of anything has 6.022 x 1023 items in it. 4.5 moles of copper has (4.5)(6.022 x 1023) = 2.7 x 1024 atoms.
Detailed explanation-3: -571 mol. Was this answer helpful?
Detailed explanation-4: -There are 24. 6 mol Cu atoms in 1. 48×1025Cu atoms.
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